Home / 3,490.75-5,233.29-1,930.69

Finding the Fourth Proportional to 3,490.75, 5,233.29 and 1,930.69

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Solution

The fourth proportional to 3,490.75, 5,233.29 and 1,930.69 is: 2,894.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.75 : 5,233.29 = 1,930.69 : x
  2. Step 2: Convert to fraction form
    3,490.75/5,233.29 = 1,930.69/x
  3. Step 3: Cross multiply
    3,490.75x = 5,233.29 × 1,930.69
  4. Step 4: Simplify right side
    3,490.75x = 10,103,860.67
  5. Step 5: Solve for x
    x = 10,103,860.67/3,490.75
  6. Step 6: Final answer
    x = 2,894.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.